NGC 2557
| Galaxy NGC 2557 |
|
|---|---|
|
|
| SDSS recording | |
| AladinLite | |
| Constellation | cancer |
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Position equinox : J2000.0 , epoch : J2000.0 |
|
| Right ascension | 08 h 19 m 10.7 s |
| declination | + 21 ° 26 ′ 09 ″ |
| Appearance | |
| Morphological type | SB0 |
| Brightness (visual) | 13.4 mag |
| Brightness (B-band) | 14.4 mag |
| Angular expansion | 1.2 '× 1.0' |
| Position angle | 55 ° |
| Surface brightness | 13.4 mag / arcmin² |
| Physical data | |
| Affiliation | LGG 158 |
| Redshift | 0.016228 ± 0.000070 |
| Radial velocity | (4865 ± 21) km / s |
|
Stroke distance v rad / H 0 |
(214 ± 15) · 10 6 ly (65.5 ± 4.6) Mpc |
| history | |
| discovery | Edouard Stephan |
| Discovery date | February 2, 1877 |
| Catalog names | |
| NGC 2557 • UGC 4330 • PGC 23329 • CGCG 119-048 • MCG + 04-20-021 • 2MASX J08191074 + 2126085 • LDCE 0571 NED004 | |
NGC 2557 is a lenticular galaxy of Hubble type SB0 in the constellation Cancer on the ecliptic . It is an estimated 214 million light years from the Milky Way .
The object was discovered by Edouard Stephan on February 2, 1877 .